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// PR c++/118775
// { dg-do compile { target c++20 } }
namespace std {
struct __uniq_ptr_impl {
constexpr __uniq_ptr_impl(char *) {}
};
template <typename> struct unique_ptr {
__uniq_ptr_impl _M_t;
constexpr ~unique_ptr() {}
};
template <typename> struct _MakeUniq;
template <typename _Tp> struct _MakeUniq<_Tp[]> {
typedef unique_ptr<_Tp[]> __array;
};
template <typename _Tp> using __unique_ptr_array_t = _MakeUniq<_Tp>::__array;
constexpr __unique_ptr_array_t<char[]> make_unique(long __num) {
return unique_ptr<char[]>(new char[__num]);
}
} // namespace std
int a;
int
main ()
{
std::unique_ptr p = std::make_unique((long)&a);
constexpr std::unique_ptr p2 = std::make_unique((long)&a); // { dg-error "conversion" }
}
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